Features of Quarzwerke High Performance Fillers in industrial and powder coatings:.jpg)
• high degree of surface hardness
• excellent characteristics for use in corrosion-protection systems thanks to:
- outstanding weather resistance
- improved chalking resistance
• cost-efficient formulation
SIKRON® cristobalite: Silica based High Performance Fillers in powder coatings – the chemical-resistant solution
Silica based fillers are used in powder coatings to influence mechanical properties and the surface texture as well as for economical reasons. Because the minerals quartz, cristobalite and feldspar are highly resistant to chemicals, they are suitable for use in technical powder lacquers such as those used in corrosion-protection systems. Specific modifications to the surfaces of our fillers effectively reinforce the protection against corrosion.
SIKRON® cristobalite in polyester resin-bound powder coating systems
The effects of SIKRON® cristobalite on polyester resin-bound powder coating systems with various different proportions of fillers (PVC-pigment-volume concentration) is as follows:
• adjustable matte effect
• increased surface hardness
• increase in yield/efficiency (as compared with BaSO4)Matte effect
The matte effect in powder coatings is a result of the rough and wrinkly surface structure of the SIKRON® SF 4000 grains.
Mechanical properties
An increase in PVC in the powder coating results in improved mechanical properties.
TREMIN® and MICA muskovite: Anti-corrosion varnish
The widely used anti-corrosion pigment zinc phosphate was classified as an environmentally hazardous substance in 2004. Since then, attempts have been made to create epoxy-anti-corrosion coatings with alternative anti-corrosion pigments.
The best results in an aqueous 2 components EP one layer covering varnish have been achieved with a combination of surface treated granular TREMIN® 283-600 AST and flaky MICA SG.